Alters the last access time of a key(s). A key is ignored if it does not exist. Time complexity: O(N) where N is the number of keys that will be touched. @param keys @return Integer reply: The number of keys that were touched.
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Alters the last access time of a key(s). A key is ignored if it does not exist. Time complexity: O(N) where N is the number of keys that will be touched. @param keys @return Integer reply: The number of keys that were touched.